HALO 400 A Diphenyl, 3.4 µm, 3.0 x 20mm

HALO 160A PCS C18, 2.7um Guard Column 4.6mm x 5mm

HALO 400 Å C4, 3.4 µm, 10.0 x 150mm

HALO 90 Å AQ-C18, 5 µm, 2.1 x 30mm